Electricity: motive power systems – Reciprocating or oscillating motor – Energizing winding circuit control
Patent
1987-10-07
1989-04-18
Budd, Mark O.
Electricity: motive power systems
Reciprocating or oscillating motor
Energizing winding circuit control
318118, 318114, H02K 3300
Patent
active
048230537
ABSTRACT:
An arrangement to controllably vibrate a resiliently supported body including electromagnetic drive means energizable to vibrate the body, means to control the device means, means to detect the actual vibration of the body, the control means including digital signal processing means to produce a control pulse train representing a required phased difference from the detected vibration to control the energization of the drive means with an independently set phase difference from the detected frequency to sustain the vibration of the body.
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patent: 4331263 (1982-05-01), Brown
WO86/02058, Apr. 10, 1986--PCT/EP85/00479, filed Sep. 17, 1985, Pross, Bruno et al.
Electronic and Radio Engineering--Frederick Emmons Terman, McGraw-Hill Book Company, Inc. 1955.
RCA--Digital Integrated Circuits--Monolithic Silicon CD4046A Types COS/MOS Micropower Phase-Locked Loop--pp. 1-10.
Investigation and Application of a Conyrol Circuit to Maintain Resonance in a Forced Vibration System by B. J. Hooper, pp. 1-76.
RS Components Jul.-Oct. 1983, pp. 243-245.
RS Components Jul.-Oct. 1983, p. 239.
McCracken William
Waddell Alexander J.
Budd Mark O.
National Research Development Corporation
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